Why hackers moved from PostgreSQL to ClickHouse
1 hacker described this switch in public comments. Their words, with links to the originals.
What hackers said about the move
“we switched from Druid+postgres+trino to just one big clickhouse node and I’ve never looked back.”mial, 2026-06-20original comment ↗
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PostgreSQL vs ClickHouse
| PostgreSQL | ClickHouse | |
|---|---|---|
| Hackers who recommend | 4 | 1 |
| Hackers who criticize | 1 | 1 |
| Moved away from it | 1 | 0 |
| Moved to it | 0 | 1 |
Counts are distinct hackers in the sampled comments, not market share.
Criticism of PostgreSQL
No further criticism of PostgreSQL captured yet.
Praise for ClickHouse
No further praise for ClickHouse captured yet.